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      10-09-2012, 04:22 PM   #8
dbyrd
S65 for life!
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Drives: E92 M3 6MT ZCP
Join Date: May 2010
Location: Dallas

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I just cleaned and reoiled mine, and I have an ever so slight whistle coming from the engine bay consistent with acceleration. Nothing anyone else would notice, but it's driving me crazy. I refitted the filter, but I'm still getting the whistle. I may just buy a new filter.

I don't mean to thread jack - I love this product.
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MCS 1WNR with 600/900 spring rates / Vorshlag camber plates / Apex ARC-8s with Apex studs / NT-01s / Stoptech Trophy ST-60/ST-40 / UUC Corsa axle-back with Fabspeed HFC and x-pipe / Schroth Quick Fit Pros / HANS Sport II / AA green filter / CSF Radiator (not installed on current car)